Re: kern/49506: panic in bpf

["Kamil Rytarowski" <n54%gmx.com@localhost>]

The following reply was made to PR kern/49506; it has been noted by GNATS.

From: "Kamil Rytarowski" <n54%gmx.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: ozaki-r%netbsd.org@localhost
Subject: Re: kern/49506: panic in bpf
Date: Fri, 26 Dec 2014 06:40:39 +0100

 Ryota Ozaki wrote:
 >  Hi,
 >  
 >  I think the below patch fixes the problem, but I cannot reproduce
 >  the panic and confirm the patch is correct. Kamil, do you have
 >  time to test it? or someone else?
 >  
 >  Thanks,
 >    ozaki-r
 >  
 >  diff --git a/sys/net/bpf.c b/sys/net/bpf.c
 >  index f66e783..e4d4164 100644
 >  --- a/sys/net/bpf.c
 >  +++ b/sys/net/bpf.c
 >  @@ -1388,7 +1388,7 @@ static inline void
 >   bpf_deliver(struct bpf_if *bp, void *(*cpfn)(void *, const void *, size_t),
 >       void *pkt, u_int pktlen, u_int buflen, const bool rcv)
 >   {
 >  -       const bpf_ctx_t *bc = NULL;
 >  +       const bpf_ctx_t *bc = bpf_default_ctx();
 >          uint32_t mem[BPF_MEMWORDS];
 >          bpf_args_t args = {
 >                  .pkt = (const uint8_t *)pkt,
 >  
 
 Thanks!
 
 I'm going to test your patch. I will see whether I'm still able to reproduce the problem in my new network environment.